Intercomparison of Visual Diffuse Transmission Density Measurements

E. Buhr; D. Bergmann; E. A. Early

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Intercomparison of Visual Diffuse Transmission Density Measurements

机译：视觉漫射透射密度测量的比对

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An intercomparison of visual diffuse transmission density measurements of photographic and x-ray film step tablets was completed by two national metrology institutes, the National Institute of Standards and Technology USA, and the Physikalisch-Technische Bundesanstalt, Germany The samples were measured by three reference densitometers according to procedures described in international documentary standards. The instruments are well characterized with estimates of their measurement uncertainties. The systematic differences between the density measurements were less than 0.010 for the photographic films and 0.015 for the x-ray films for densities as great as 3.3.

机译：两家国家计量机构，美国国家标准技术研究院和德国物理技术研究院完成了照相和X射线胶片台阶片的视觉漫透射密度测量的比较。样品通过三个参考光密度计测量根据国际文献标准中描述的程序。这些仪器通过测量不确定度的估算可以很好地表征。照相胶片的密度测量之间的系统差异小于0.010，而X射线胶片的密度测量之间的系统差异小于0.015（密度高达3.3）。

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《Journal of Imaging Science and Technology》 |2000年第2期|p.156-159|共4页
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E. Buhr; D. Bergmann; E. A. Early;
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Intercomparison of Visual Diffuse Transmission Density Measurements

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